No problem, we've got 4989 and 2651 to multiply
4989 × 2651 = 2651 × (4989)
+ 2651 × 9 resulting in 23859
+ 2651 × 80 that results in 212080
+ 2651 × 900 what gives us 2385900
+ 2651 × 4000 resulting in 10604000

= 13225839
